<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div {
            width: 200px;
            height: 200px;
            border: 1px solid red;
            /*超出部分隐藏*/
            overflow: hidden;
            /*超出部分滚动显示*/
            overflow: scroll;
        }
        img{
            vertical-align: baseline;/*基线对齐 默认*/
            /*设置上中下对齐*/
            vertical-align: top;
            vertical-align: middle;
            vertical-align: bottom;
        }
    </style>
</head>
<body>
<input type="text"><img src="../b.jpg" width="100" alt="">
<div>
    <img src="../b.jpg">
</div>
</body>
</html>